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Gavin Seddon


Last seen: etwa 2 Jahre vor Aktiv seit 2015

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MAC MATLAB crashing on start up
Hello when i start MATLAB on my MAC it crashes I then start from an x11 terminal and i get /Applications/MATLAB_R2020a.app/C...

etwa 4 Jahre vor | 0 Antworten | 0

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plotting x and y differential
hello I have plotted x and y data and seen evidence of a bifurcation. I want to plot x vs diff y. this is what i did : ...

mehr als 4 Jahre vor | 1 Antwort | 0

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using command to operate cftool
Hello I am using large data sets and cftool continually buffers. I have increased my memory to 96gb and the buffering remains...

mehr als 4 Jahre vor | 1 Antwort | 0

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negative x axis meaning
Hello I have a vector plot created from multiple functions. The x axis values are incorrect and some are negative. Does matla...

mehr als 4 Jahre vor | 1 Antwort | 0

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will increased memory solve buffering issues
Hello I have tables with many floating point values and when I try to use cftool my MAC starts buffering. It is a quad core i...

mehr als 4 Jahre vor | 1 Antwort | 0

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viewing vectors from a table
Hello, My recent results have allowed me to generate a feather graph (found at: https://uk.mathworks.com/matlabcentral/answer...

fast 5 Jahre vor | 1 Antwort | 0

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incomplete graph from array
Hello, I have created an array of a table. a plot of the data shows a complete sine wave. When I plot the array using "con...

fast 5 Jahre vor | 0 Antworten | 0

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matlab function not recognised by excel
Hello, I have generated a matlab function and then taken the second derivitive. I want to place this function within an...

etwa 5 Jahre vor | 0 Antworten | 0

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calculating x when y is > 0
Hello I have plotted a changing distance (d(x)) with time using cftool and calculated the function. Its derivative was calcula...

mehr als 5 Jahre vor | 1 Antwort | 0

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linking table column label with symbolic function
hello using an uploaded table is it possible to define the column labels as symbolic functions? Thereby enabling subsequent sy...

fast 6 Jahre vor | 0 Antworten | 0

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plotting derivative function against Y value
hello I have a distance/time graph and I want to plot the velocity against distance. I have created the velocity function v:eva...

fast 6 Jahre vor | 1 Antwort | 0

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Unsual gradient from gradient
Hello, when I try and calculate the gradient I receive slope = gradient (fx) slope = (7167*x^2)/25000 - (3523*...

mehr als 6 Jahre vor | 1 Antwort | 0

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Radian calculation from either differential or gradient
Hello, I have gradiant values (and their differentials). However, my motion is in a circle and mathematically the 2πrad may be ...

mehr als 6 Jahre vor | 1 Antwort | 0

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Using 0 1 chaos test
Hello, I have some noisy data which I would like to test for chaos. I have checked the web but cannot find the instructions for...

mehr als 6 Jahre vor | 1 Antwort | 0

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Substituting and evaluating function
I have attempted to substitute the X variable into my function and evaluate it. This is the result. If it is not possible please...

fast 7 Jahre vor | 1 Antwort | 0

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Gradient is zero yet exists
Hello gradient (140,150), the answer is 0, but it exIhere is my error please? Also, is *diff* for calculating the derivative?...

fast 7 Jahre vor | 1 Antwort | 0

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Import data to splinetool create spline with function
Hello, initially I created a spline with cftool. Is it possible to import the same data to splinetool and generate the function...

fast 7 Jahre vor | 1 Antwort | 0

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Creating phase plot from initial data
I have a data table with no associated function, is it possible to generate the vector field and phase diagram from this? GS....

mehr als 7 Jahre vor | 1 Antwort | 0

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Determining function for smoothing spline
Hello, my data when plotted resembles a plot of a sine function and consequently a polynomial curve will not converge. Therefor...

mehr als 7 Jahre vor | 1 Antwort | 0

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slope at defined co-ordinates
Hello I have defined my distance function as d = (5757*x^3)/100000 - (2227*x^2)/10000 + (1303*x)/2500 + 25/2 I then diffe...

mehr als 7 Jahre vor | 1 Antwort | 0

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Gradient command producing multiple functions
Hello, when I use the gradient command I am given multiple functions as the answer. I assume these are the gradient at each 'ro...

mehr als 7 Jahre vor | 2 Antworten | 0

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error when plotting function
hello, when i give this function i get the following error will someone please correct me ? >> fplot(@(a1*sin(b1*x+c1) + a2...

mehr als 7 Jahre vor | 1 Antwort | 0

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Multiplying spreadsheet column by variable
Hello can a spreadsheet column be multiplied by a variable of a function to generate a new column? g.

fast 8 Jahre vor | 1 Antwort | 0

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getting an import error
hello when I try to Import data I receive Error using uiimport (line 142) Java exception occurred: java.lang.NullPointer...

fast 8 Jahre vor | 0 Antworten | 0

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Error using plot command
hello, I am attempting to replot my data however I received this error Error using symengine The dimensions do not match. ...

etwa 8 Jahre vor | 0 Antworten | 0

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Beantwortet
generating graph from curve fit plot
This can be found: http://uk.mathworks.com/help/curvefit/plot.html

etwa 8 Jahre vor | 0

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generating graph from curve fit plot
Hello, is it possible to use the fitted curve from cftool rather than use the function it has calculated to generate the grnap...

etwa 8 Jahre vor | 1 Antwort | 0

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.fig won't open
I have created a.fig file which is set to 'visible' however when I try and open this either using File >Open or openfig it is n...

etwa 8 Jahre vor | 2 Antworten | 0

2

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Function plot appears reversed
Hello, The plotted function Y value is e20 when it should be 13.6e1. So rather than a graph starting linear and going constant...

etwa 8 Jahre vor | 0 Antworten | 0

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Function plot limits produces errors
fplot (@(x) was used to generate a figure the resulting curve shape is wrong and errors are produced. The correct X minimum a...

etwa 8 Jahre vor | 1 Antwort | 0

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